| Argentina (5) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Cerundolo, Juan Manuel | | Coria, Federico | | Etcheverry, Tomas Martin |
| | Austria (2) |
|---|
| Misolic, Filip | | Ofner, Sebastian |
| | | Brasil (1) |
|---|
| Monteiro, Thiago |
|
| Colombia (1) |
|---|
| Galan, Daniel Elahi |
| | Finland (1) |
|---|
| Ruusuvuori, Emil |
| | France (2) |
|---|
| Assche, Luca Van | | Couacaud, Enzo |
| | Germany (1) |
|---|
| Zverev, Alexander |
|
| Italy (3) |
|---|
| Arnaldi, Matteo | | Cecchinato, Marco | | Musetti, Lorenzo |
| | Kazakhstan (2) |
|---|
| Shevchenko, Alexander | | Skatov, Timofey |
| | | Russia (2) |
|---|
| Kotov, Pavel | | Rublev, Andrey |
|
| | Slovakia (2) |
|---|
| Kovalik, Jozef | | Molcan, Alex |
| | Spain (2) |
|---|
| Davidovich Fokina, Alejandro | | Zapata Miralles, Bernabe |
| | Sweden (3) |
|---|
| Borg, Leo | | Madaras, Dragos Nicolae | | Ymer, Elias |
|